System maintenance will be performed during the year-end and New Year's holidays. Search functions will be available during the system maintenance, but the following restrictions will occur from December 23 (Mon.), 2024 to January 6 (Mon.), 2025.

Bibliographic records in MARC format and MARC tag format data will not be output

Bibliographic records in MARC format and MARC tag format data will not be output from the Search Result page and Bibliographic Record pages of NDL Search, Web Japanese National Bibliography or Web NDL Catalog. As for NDL Search, Bibliographic records in MARC format and MARC tag format data will not be output from My List page either.
Output in formats other than MARC format and MARC tag format is possible.

Example：Output Bibliographic Records from Search Result page

For information on general system maintenance, including services other than NDL Search, please visit the National Diet Library website.
We apologize for any inconvenience.